code: def hann_window(
      size: int,
      /,
      *,
      periodic: bool = True,
      dtype: Optional[None] = None,
      out: Optional[Union[(None, mx.ndarray.NDArray)]] = None,
  ) -> Union[(None, mx.ndarray.NDArray)]:
      raise IvyNotImplementedException()
  
file_path: ivy/ivy/functional/backends/mxnet/experimental/creation.py
imports: from typing import Union, Optional, Tuple
  import mxnet
  import numpy
  from ivy.utils.exceptions import IvyNotImplementedException
label_desc: Use image node_id 4 for calling a global function with example usage: hann_window() without return types